/* 代码初始化 */
/* 去除元素默认内外边距 */
* {
    margin: 0;
    padding: 0;
}

/* 去除a链接默认下划线 */
a {
    text-decoration: none;
}

/* 去除列表默认标记项 */
li {
    list-style: none;
}

/*屏幕小于1200px时显示滚动条*/
body {
    min-width: 1200px;
    font: 14px 'Microsoft Yahei', "宋体", "Arial Narrow", HELVETICA;
    color: #333;
}

/*代码主体*/
.nav {
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid #e6e6e6;
    height: 60px;
}

.nav-content {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.logo {
    display: block;
    height: 100%;
    float: left;
    line-height: 60px;
}

.logo img {
    vertical-align: middle;
}

.nav-list {
    height: 100%;
    float: left;
    margin-left: 30px;
}

.nav-list>li {
    float: left;
    margin-right: 23px;
    height: 100%;
    line-height: 66px;
    position: relative;
    text-align: center;
    font-size: 16px;
}

.nav-list>li a {
    color: #666;
    display: block;
}

.hot-logo {
    position: absolute;
    top: 6px;
    right: 0px;
}

.nav-list>li a:hover {
    color: #ff4905;
}

.down-img {
    position: absolute;
    right: -12px;
    top: 31px;
}

#download-button {
    display: inline-block;
    color: #ff4905;
    border: 1px solid #ff4905;
    border-radius: 6px;
    width: 85px;
    text-align: center;
    line-height: 30px;
}

.quality {
    position: absolute;
    top: 54px;
    left: -19px;
    background: #ffffff;
    box-shadow: 0 0 5px #ededed;
    height: 0;
    overflow: hidden;
    transition: all 0.6s;
    z-index: 2;
}

.quality li {
    float: none;
    width: 100px;
    height: 32px;
    line-height: 32px;
}

.quality li:first-child {
    padding-top: 10px;
}

.quality li:last-child {
    padding-bottom: 10px;
}

.quality-a:hover .quality {
    height: 84px;
}

.app-box {
    position: absolute;
    width: 150px;
    height: 70px;
    padding: 10px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, .3);
    top: 54px;
    left: -40px;
    text-align: left;
    display: none;
    cursor: pointer;
    z-index: 2;
}

.app-title {
    float: right;
    line-height: 18px;
    text-align: center;
    font-family: 'Microsoft Yahei';
    font-size: 14px;
    color: #666;
    margin-top: 16px;
}

.app-a:hover .app-box {
    display: block;
}

/* 操作区 */
.operation-list {
    float: right;
    width: 320px;
    height: 100%;
}

.operation-list>li {
    float: right;
    height: 100%;
}

.login {
    margin-left: 10px;
}

.register,
.login {
    line-height: 66px;
}

.ewm,
.gwc,
.fdj {
    line-height: 70px;
    margin: 0 10px;
    cursor: pointer;
}

.operation-list li a {
    font-family: "Microsoft YaHei";
    color: #666;
    margin: 0 5px;
}

.operation-list li a:hover {
    text-decoration: underline;
}

.ewm {
    position: relative;
}

.ewm-logo:hover+.ewm-logo-list {
    display: block;
}

.ewm-logo-list {
    width: 187px;
    height: 208px;
    padding-top: 12px;
    background-image: url(../imgs/ujyx_code_list.png);
    position: absolute;
    left: -80px;
    top: 49px;
    display: none;
    z-index: 2;
}

.ewm-logo-list li {
    padding: 18px;
    line-height: 100%;
}

.ewm-logo-list li div {
    float: right;
    line-height: 20px;
    color: #666;
    margin-top: 16px;
}

.banner {
    width: 100%;
    height: 393px;
    position: relative;
    cursor: pointer;
}

.banner .swiper-slide img {
    max-width: 100%;
    height: 100%;
}

.banner-pag .swiper-pagination {
    bottom: 40px;
    left: 40%;
}

.swiper-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: #ffffff;
    opacity: 1;
    margin-right: 7px;
}

.swiper-pagination .swiper-pagination-bullet-active {
    background: #ff4b04;
}

/*改变了颜色和加粗的样式*/
.swiper-container .swiper-button-prev,
.swiper-container .swiper-button-next {
    width: 38px;
    height: 68px;
    overflow: hidden;
    background: #404145;
    line-height: 68px;
    background-image: none;
}

.swiper-container .swiper-button-prev {
    left: 20px;
}

.swiper-container .banner-pag {
    width: 968px;
    height: 100%;
    position: absolute;
    left: 50%;
    bottom: 0;
    margin-left: -388px;
    text-align: center;

}

.banner-pag .swiper-button-prev,
.banner-pag .swiper-button-next {
    cursor: pointer;
    font-size: 68px;
    color: #fff;
    line-height: 68px;
    font-family: "宋体";
    display: none;
}

.banner:hover .swiper-button-prev,
.banner:hover .swiper-button-next {
    display: block;
}

/* 侧栏课程列表 */
.offcn-slide {
    width: 230px;
    height: 504px;
    padding-top: 19px;
    position: absolute;
    left: 0;
    top: 61px;
    width: 220px;
    overflow-y: auto;
    z-index: 9;
    /* background: #ff4a00; */
    background: rgba(255, 72, 0, 0.8);
    padding-left: 14px;
}

/* 自定义滚动条-start */
.offcn-slide::-webkit-scrollbar {
    /*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/  
    width: 3px;
    background-color: #EAEEF5;
    border-radius: 3px;
}
.offcn-slide::-webkit-scrollbar-track {
    /*定义滚动条轨道 内阴影+圆角*/  
    width: 3px;
    background-color: #EAEEF5;
    border-radius: 3px;
    overflow: hidden;
}
.offcn-slide::-webkit-scrollbar-thumb {
    /*定义滑块 内阴影+圆角*/ 
    width: 3px;
    background-color: #FFDE00;
    border-radius: 3px;
}

/* 自定义滚动条-end */
.offcn-slide dl {
    margin-bottom: 17px;
}

.offcn-slide dl a {
    color: #fff;
    margin-right: 10px;
}

.offcn-slide dt {
    line-height: 30px;
    font-size: 18px;
    color: #fff;
    font-family: 'Microsoft Yahei';
}

.offcn-slide dd {
    line-height: 24px;
    font-size: 12px;
    color: #fff;
    font-family: 'Microsoft Yahei';
}

.offcn-slide a:hover {
    text-decoration: underline;
    /* vue、小程序、js、jquery、html、css、js--非统招本科、专升本 授课将近2年、*/
}

/* 主要内容区 */
.main-body {
    width: 100%;
    height: auto;
    background: #f5f5f5;
    overflow: hidden;
}

.test-list {
    width: 1200px;
    height: 121px;
    margin: 10px auto 28px;
}

.test-list ul {
    width: 960px;
    height: 120px;
    margin-left: 240px;
    background: #fff;
    padding: 20px 0;
    box-sizing: border-box;
}

.test-list ul li {
    width: 238px;
    height: 81px;
    float: left;
    border-right: 2px dashed #f1f1f1;
}

.test-list ul li a {
    margin: 0 auto;
    display: block;
    width: 190px;
    height: 82px;
}

/* 热门直播 */
.hot-live {
    width: 1200px;
    margin: 0 auto 30px;
}

.hot-title {
    height: 76px;
}

.hot-title h3 {
    float: left;
    line-height: 76px;
    font-size: 24px;
}

.hot-title a {
    float: right;
    display: block;
    height: 100%;
    line-height: 76px;
    margin-right: 5px;
    font-size: 14px;
    color: #999999;
}

.hot-title a:hover {
    color: #ff4b04;
}

.hot-content {
    width: 1200px;
    height: 350px;
    margin: 0 auto;
    background: #fff;
}

.hot-content-pic {
    width: 620px;
    height: 350px;
    position: relative;
    float: left;
}

.hot-content-pic p {
    width: 580px;
    padding: 0 20px;
    position: absolute;
    left: 0;
    bottom: 0;
    font-size: 16px;
    color: #c9c9c9;
    background-color: rgba(0, 0, 0, .3);
    height: 40px;
    line-height: 40px;
}

.hot-content-pic button {
    border: none;
    padding-left: 50px;
    padding-right: 30px;
    height: 52px;
    color: white;
    background: url(../imgs/ujyx_living.gif) no-repeat 25px center;
    background-color: rgba(0, 0, 0, 0.6);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 26px;
    font-size: 18px;
    cursor: pointer;
}

.hot-content-list {
    width: 580px;
    height: 350px;
    float: right;
    overflow: hidden;
}

.hot-content-list ul {
    width: 100%;
    height: auto;
    min-height: 330px;
    background: url(../imgs/ujyx_live-line.jpg) repeat-y 43px top;
    padding: 10px 0;
}

.hot-content-list ul li {
    height: 66px;
    overflow: hidden;
    cursor: pointer;
}

.hot-content-list ul li:hover {
    background: #fff7f3;
}

.status-left,
.title-right {
    float: left;
    line-height: 66px;
    font-size: 16px;
}

.status-left {
    color: #ff4d00;
    background: url(../imgs/ujyx_live.gif) no-repeat 2px center;
    padding-left: 34px;
    margin-left: 35px;
}

.title-right {
    margin-left: 35px;
}

/* 精品网课 */
.online-class {
    width: 1200px;
    margin: 0 auto 30px;
}

.online-title {
    height: 76px;
    width: 100%;
}

.online-title h3 {
    float: left;
    line-height: 76px;
    font-size: 24px;
}

.online-title ul {
    float: left;
    line-height: 76px;
    height: 76px;
    margin-left: 58px;
}

.online-title ul li {
    float: left;
    font-size: 16px;
    margin-right: 25px;
    cursor: pointer;
}

.online-title ul li a {
    color: #666;
}

.online-title ul li:hover a {
    color: #ff4905;
    border-bottom: 1px solid #ff4905;
}

.online-title .more-class {
    display: block;
    height: 100%;
    cursor: pointer;
    float: right;
    line-height: 76px;
    margin-right: 5px;
    font-size: 14px;
    color: #999999
}

.online-title .more-class:hover {
    color: #ff4b04;
}

.online-list {
    width: 100%;
    height: auto;
}

.online-list ul {
    width: 100%;
    height: auto;
    overflow: hidden;
}

.online-list ul li {
    float: left;
    width: 285px;
    height: 255px;
    margin-left: 20px;
    margin-bottom: 20px;
    background: #fff;
}

.online-list ul li:nth-child(4n+1) {
    margin-left: 0;
}

.online-top-pic img {
    display: block;
    width: 285px;
    height: 160px;
}

.online-middle-title {
    color: #333;
    font-size: 14px;
    width: 265px;
    display: block;
    padding: 0 10px;
    /* 省略号 */
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    margin: 15px 0;
}

.online-middle-title:hover {
    text-decoration: underline;
}

.online-info {
    height: 26px;
    padding: 0 10px;
    width: 265px;
    line-height: 26px;
    color: #ff4d00;
}

.online-info span:nth-of-type(1) {
    font-size: 14px;
}

.online-info span:nth-of-type(2) {
    font-size: 20px;
}

.online-info span:nth-of-type(3) {
    float: right;
    padding-left: 6px;
    padding-right: 6px;
    height: 26px;
    border-radius: 2px;
    background: #ffefe8;
    text-align: center;
    line-height: 26px;
    font-size: 14px;
}
.study-mode{
    width: 1200px;
    margin: 0 auto 30px;
}
.study-mode h3{
    height: 106px;
    line-height: 106px;
    font-size: 26px;
    color: #333;
    font-family: 'Microsoft Yahei';
    text-align: center;
    background: url(../imgs/ujyx_mode.jpg) no-repeat center 12px;
}
.study-mode ul{
    width: 1200px;
    height: 138px;
}
.study-mode ul li{
    padding-left: 115px;
    width: 267px;
    height: 136px;
    border: 1px solid #e5e5e5;
    margin-right: 24px;
    float: left;
}
.study-mode ul li h6{
    padding-top: 22px;
    line-height: 35px;
    height: 35px;
    font-size: 18px;
    font-weight: 100;
}
.study-mode ul li p{
    line-height: 26px;
    font-size: 14px;
    color: #888888;
    width: 240px;
    margin-left: 0;
}
.study-mode ul li:nth-of-type(3){
    margin-right: 0;
}
.study-mode ul li:nth-of-type(1){
    background: url(../imgs/ujyx_mode1.jpg) no-repeat 11px 22px #fff;
}
.study-mode ul li:nth-of-type(2){
    background: url(../imgs/ujyx_mode2.jpg) no-repeat 11px 22px #fff;
}
.study-mode ul li:nth-of-type(3){
    background: url(../imgs/ujyx_mode3.jpg) no-repeat 11px 22px #fff;
}
.study-mode ul li:nth-of-type(1) h6{
    color: #fb4e38;
}
.study-mode ul li:nth-of-type(2) h6{
    color: #1a84f0;
}
.study-mode ul li:nth-of-type(3) h6{
    color: #9750f8;
}
.study-mode ul li:nth-of-type(1):hover{
    border:1px solid #fb4e38;
}
.study-mode ul li:nth-of-type(2):hover{
    border:1px solid #1a84f0;
}
.study-mode ul li:nth-of-type(3):hover{
    border:1px solid #9750f8;
}
.friend-link{
    width: 1200px;
    margin: 0 auto 30px;
}
.friend-link h3{
    height: 46px;
    line-height: 46px;
    font-size: 16px;
    color: #333;
}
.link-list{
    line-height: 32px;
    font-size: 14px;
}
.link-list a{
    color: #666;
    margin-right: 30px;
}
.link-list a:hover{
    text-decoration: underline;
}
/* 页面底部 */
.footer-body{
    width: 100%;
    background: #404144;
    color: #999;
    line-height: 28px;
    text-align: center;
    padding: 34px 0;
}
.footer-body a{
    color: #999;
}
.footer-body a
.footer-body img{
    vertical-align: text-bottom;
}